Five years ago, the Philadelphia police thought that carrying Arabic-language flashcards was enough to warrant the arrest of an innocent traveler. A settlement reached today in a lawsuit I brought against the police department makes it clear that it is not.

Yesterday, the ACLU and the ACLU of New Mexico filed an amicus brief in Elane Photography, LLC v. Willock, an important antidiscrimination case pending before the New Mexico Supreme Court. Elane Photography is a wedding photography studio that advertises…

The Washington Redskins is a name that is offensive and perpetuates racism against Native Americans. Should it be changed? Yes. But should the government get to make that call? As we told a federal district court yesterday, the answer is no, because…

I have zero tolerance for schools that punish students for exercising their First Amendment rights. Students like Wesley Teague, who joked about his school's athletic department and Kyron Birdine, who was suspended for mocking standardized tests, did…

"Captain Underpants and the Perilous Plot of Professor Poopypants." "Captain Underpants and the Wrath of the Wicked Wedgie Woman." "Captain Underpants and the Farty Fight for Free Speech." Okay fine, I made up the last one.

Tear gas, rubber bullets, and assault weapons; free speech zones, gags, and press pens: This is the arsenal of the police state. Some of these tactics are physical. The other ones—all the more pernicious for their quiet coercion—impose a veil of silence over the actions of law enforcement. And each of these weapons has been unleashed on the people of Ferguson, Missouri, since the killing of Michael Brown.